Patents by Inventor Yukihisa Nakagawa

Yukihisa Nakagawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Connector for towing vehicle and method of manufacturing same
    Patent number: 6814581
    Abstract: A connection body (41), of a connector for a towing vehicle, to be connected to a wire harness of a to-be-towed object and a connection body (42) of the connector to be connected to a wire harness of a towing vehicle body are approximately cylindrical. Terminals (32, 33) inside the connection bodies (41, 42) are composed of a common metal piece (31). The connector is connected to a wire harness (35) of the towing vehicle body not by using an exclusive cylindrical connector but by directly connecting a core wire to the terminal (32). To prevent water from penetrating into the connector, an O-ring (38), a sealing medium (57), and a rubber plug (59) are mounted on the connector. A protector (37) is installed on an insertion portion of the wire harness (35) of the towing vehicle body into the housing (30).
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: November 9, 2004
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Yoshiyuki Matsuo, Masashi Ooi, Yukihisa Nakagawa, Kazuhiro Aoki
  • Connector for towing vehicle and method of manufacturing same
    Publication number: 20040053525
    Abstract: A connection body (41), of a connector for a towing vehicle, to be connected to a wire harness of a to-be-towed object and a connection body (42) of the connector to be connected to a wire harness of a towing vehicle body are approximately cylindrical. Terminals (32, 33) inside the connection bodies (41, 42) are composed of a common metal piece (31). The connector is connected to a wire harness (35) of the towing vehicle body not by using an exclusive cylindrical connector but by directly connecting a core wire to the terminal (32). To prevent water from penetrating into the connector, an O-ring (38), a sealing medium (57), and a rubber plug (59) are mounted on the connector. A protector (37) is installed on an insertion portion of the wire harness (35) of the towing vehicle body into the housing (30).
    Type: Application
    Filed: June 30, 2003
    Publication date: March 18, 2004
    Applicant: Sumitomo Wiring Systems, Ltd.
    Inventors: Yoshiyuki Matsuo, Masashi Ooi, Yukihisa Nakagawa, Kazuhiro Aoki